Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended |
|---|---|---|
May 31, 2016 |
May 31, 2016 |
|
| Statement of Comprehensive Income [Abstract] | ||
| Changes in instrument specific credit risk, tax benefit | $ 1.5 | $ 1.5 |